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Vision-language models (VLMs) exhibit remarkable zero-shot generalization but suffer performance degradation under distribution shifts in downstream tasks, particularly in the absence of labeled data. Test-Time Adaptation (TTA) addresses…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Khanh-Binh Nguyen , Phuoc-Nguyen Bui , Hyunseung Choo , Duc Thanh Nguyen

Recent video reasoning models have shown strong results on temporal and multimodal understanding, yet they depend on large-scale supervised data and multi-stage training pipelines, making them costly to train and difficult to adapt to new…

Test-Time Adaptation (TTA) aims to enhance the generalization of deep learning models when faced with test data that exhibits distribution shifts from the training data. In this context, only a pre-trained model and unlabeled test data are…

机器学习 · 计算机科学 2025-05-19 Linjing You , Jiabao Lu , Xiayuan Huang , Xiangli Nie

Vision-language models transfer well in zero-shot settings, but at deployment the visual and textual branches often shift asymmetrically. Under this condition, entropy-based test-time adaptation can sharpen the fused posterior while…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Lixian Chen , Yanhui Chen , Junyi Lin

Fully-test-time adaptation (F-TTA) can mitigate performance loss due to distribution shifts between train and test data (1) without access to the training data, and (2) without knowledge of the model training procedure. In online F-TTA, a…

机器学习 · 计算机科学 2023-09-11 Skyler Seto , Barry-John Theobald , Federico Danieli , Navdeep Jaitly , Dan Busbridge

Deep learning models often struggle with generalization when deploying on real-world data, due to the common distributional shift to the training data. Test-time adaptation (TTA) is an emerging scheme used at inference time to address this…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Mingxi Lei , Chunwei Ma , Meng Ding , Yufan Zhou , Ziyun Huang , Jinhui Xu

Pre-trained vision-language models (VLMs) have shown impressive performance on various downstream tasks by utilizing knowledge learned from large data. In general, the performance of VLMs on target tasks can be further improved by prompt…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Eulrang Cho , Jooyeon Kim , Hyunwoo J. Kim

Real-world vision models in dynamic environments face rapid shifts in domain distributions, leading to decreased recognition performance. Using unlabeled test data, continuous test-time adaptation (CTTA) directly adjusts a pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Sarthak Kumar Maharana , Baoming Zhang , Yunhui Guo

Test-time adaptation has proven effective in adapting a given trained model to unseen test samples with potential distribution shifts. However, in real-world scenarios, models are usually deployed on resource-limited devices, e.g., FPGAs,…

机器学习 · 计算机科学 2024-05-30 Shuaicheng Niu , Chunyan Miao , Guohao Chen , Pengcheng Wu , Peilin Zhao

Recently, despite the unprecedented success of large pre-trained visual-language models (VLMs) on a wide range of downstream tasks, the real-world unsupervised domain adaptation (UDA) problem is still not well explored. Therefore, in this…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Shuanghao Bai , Min Zhang , Wanqi Zhou , Siteng Huang , Zhirong Luan , Donglin Wang , Badong Chen

Test-time adaptation (TTA) has increasingly been an important topic to efficiently tackle the cross-domain distribution shift at test time for medical images from different institutions. Previous TTA methods have a common limitation of…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Hongzheng Yang , Cheng Chen , Meirui Jiang , Quande Liu , Jianfeng Cao , Pheng Ann Heng , Qi Dou

Vision-Language-Action models have recently emerged as a powerful paradigm for general-purpose robot learning, enabling agents to map visual observations and natural-language instructions into executable robotic actions. Though popular,…

Facial expression recognition (FER) in videos requires model personalization to capture the considerable variations across subjects. Vision-language models (VLMs) offer strong transfer to downstream tasks through image-text alignment, but…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Masoumeh Sharafi , Muhammad Osama Zeeshan , Soufiane Belharbi , Alessandro Lameiras Koerich , Marco Pedersoli , Eric Granger

Recent advances in test-time adaptation (TTA) for Vision-Language Models (VLMs) have garnered increasing attention, particularly through the use of multiple augmented views of a single image to boost zero-shot generalization. Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Zhaohong Huang , Yuxin Zhang , Jingjing Xie , Fei Chao , Rongrong Ji

Machine learning methods strive to acquire a robust model during the training process that can effectively generalize to test samples, even in the presence of distribution shifts. However, these methods often suffer from performance…

机器学习 · 计算机科学 2024-12-13 Jian Liang , Ran He , Tieniu Tan

As powerful pre-trained vision-language models (VLMs) like CLIP gain prominence, numerous studies have attempted to combine VLMs for downstream tasks. Among these, prompt learning has been validated as an effective method for adapting to…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Yu Du , Tong Niu , Rong Zhao

Test-time adaptation (TTA) aims to adapt a pretrained model to distribution shifts using only unlabeled test data. While promising, existing methods like Tent suffer from instability and can catastrophically forget the source knowledge,…

机器学习 · 计算机科学 2025-10-08 Harshil Vejendla

Test-time adaptation (TTA) aims to address distribution shifts between source and target data by relying solely on target data during testing. In open-world scenarios, models often encounter noisy samples, i.e., samples outside the…

机器学习 · 计算机科学 2025-04-08 Chentao Cao , Zhun Zhong , Zhanke Zhou , Tongliang Liu , Yang Liu , Kun Zhang , Bo Han

Tactile-vision-language (TVL) models are increasingly deployed in real-world robotic and multimodal perception tasks, where test-time distribution shifts are unavoidable. Existing test-time adaptation (TTA) methods provide filtering in…

机器人学 · 计算机科学 2026-02-19 Chuyang Ye , Haoxian Jing , Qinting Jiang , Yixi Lin , Qiang Li , Xing Tang , Jingyan Jiang

Vision-Language Models (VLMs) excel at zero-shot inference but often degrade under test-time domain shifts. For this reason, episodic test-time adaptation strategies have recently emerged as powerful techniques for adapting VLMs to a single…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Konstantinos M. Dafnis , Dimitris N. Metaxas